int main()
{

DDRD |= (1<<PD0)|(1<<PD1);
DDRB = 1;
DDRC |= (1<<PC4)|(1<<PC5);

InitUSART();
i2c_init();
sei();

unsigned char line[16];
unsigned char index;
index=0;

while(1)
  {
   while (serial_available())
     {
        line[index++]= serial_read();
        USART_Send(line[index]);
     }
     index=0;
_delay_ms(5000);
  }

return 0;
}


ISR(USART_RXC_vect)
{
    rxb[rxc]=UDR;
    rxc+=1;
}